Last name: Riley. Tweet. This famous surname can be either English or Irish. It is found in both countries in several and overlapping spellings including Riley, Ryley, Reily, Reely and Reilly, as well as the pure Gaelic McReilly, O'Reilly and O'Ralilly.
Best Answer: A service level agreement (frequently abbreviated as SLA) is a part of a service contract where the level of service is formally defined. In practice, the term SLA is sometimes used to refer to the contracted delivery time (of the service) or performance. Source(s): rookethorne Â· 8 years ago.
SLA stands for Service Level Agreement In details, It is contractual service commitment. An SLA is a document that describes the minimum performance criteria a provider promis â¦ es to meet while delivering a service.